Motorcycle alternator



FIG. 1 is a front view of a preferred embodiment of the present invention;

FIG. 2 is a back view of a preferred embodiment of the invention;

FIG. 3 is a right-side view of a preferred embodiment of the invention;

FIG. 4 is a left-side view of a preferred embodiment of the present invention;

FIG. 5 is a top view of a preferred embodiment of the present invention; and,

FIG. 6 is a bottom view of a preferred embodiment of the present invention. 

The ornamental design for “motorcycle alternator”, as shown and described. 